clipproperties: Update displayed properties on position change

Authored by stefanzzz on Jul 27 2017, 7:04 AM.

Description

clipproperties: Update displayed properties on position change

When using control bindings, update the displayed values of the
transformation properties, as well as the overlay of the selected clip
on each position change. This will produce more accurate results.

Differential Revision: https://phabricator.freedesktop.org/D1810

Details